Women's GX-Soni Racing Suit Guide (in inches)
| USA Size | XS | S | M | L | XL |
| Chest | 31-34.5 | 33.5-36 | 33.5-38 | 33.5-39.5 | 38-39.5 |
| Height | >5'2"-5'6" | 5'2"-5'8" | 5'4"-5'10"+ | 5'6"-5'10"+ | 5'10"+ |
Mens's GX- Sonic Racing Suit Guide (in inches)
| USA Size | XXS | XS | S | M | L | XL |
| Waist | 26.5-27 | 26.5-29.5 | 27.31.5 | 27-33 | 31-34.5 | 32.5-36 |
| Hip | 32-34.5 | 34-35.5 | 33.5-37 | 37-38.5 | 38.5-39.5 | 39.5-40.5 |
